Heat waves are a big problem. We all know about deaths and brain damage from heat stroke, but even modest increases in temperature over what we expect leads to consistently worse decision-making.
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In my layman's understanding, when it's hot out we spend more energy on regulating temperature. That's energy that isn't getting directed to our brain.
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"Sales for scratch tickets, which require buyers to choose between many different options, fell by $594 with every 1° Fahrenheit increase in temperature. Sales for lotto tickets, which require fewer decisions on the part of the buyer, were not affected."
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Participants in warm (77°) rooms performed significantly worse than those in cool (67°) rooms, failing to identify 50% of the spelling and grammatical errors (those in cool rooms, on the hand, only missed a 25% of the mistakes). - fromhttps://www.scientificamerican.com/article/warm-weather-makes-it-hard-think-straight/ …
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Replying to @mesolude @HiFromMichaelV
I generically bet this fails to replicate because it sounds like many other things that have not replicated. (Though supremely important if true - IQ points are hard to come by.)
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Agreed that the study doesn't look particularly waterproof. Personally, CO2 levels, temperature, and pollen levels make me less intelligent. These all seem to be going up, and if other people are kind of like me, this is alarming.
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